Bornite — Bor nite, n. [Named after Von Born, a mineralogist.] (Min.) A valuable ore of copper, containing copper, iron, and sulphur; also called {purple copper ore} (or {erubescite}), in allusion to the colors shown upon the slightly tarnished surface.… … The Collaborative International Dictionary of English

bornite — noun Etymology: German Bornit, from Ignaz von Born died 1791 Austrian mineralogist Date: circa 1847 a brittle metallic looking mineral that consists of a sulfide of copper and iron and is a valuable copper ore … New Collegiate Dictionary